1. Quality assurance: Our company promises that the products provided are brand new, unused, and fully comply with the mandatory technical quality specifications and the quality, specifications, performance and technical specifications stipulated in the contract.

2. Supply and installation time: Our company provides goods to users within 5 to 7 working days for handheld detectors and 10 to 15 working days for large-scale detection systems after receiving payment, and has established an after-sales team to answer customer questions in a timely manner.

3. Equipment repair and maintenance: Our company provides free warranty for the goods sold for 1 to 2 years from the date of installation, commissioning and acceptance. Maintenance fees are waived during the warranty period, and lifetime after-sales service is provided. Discounted services are provided after the warranty expires. Routine maintenance services outside the warranty period are free of charge.

4. Regular return visits: Our company regards the return visit system as one of the routine maintenance tasks, that is, the company organizes regular remote inspections of operating equipment. Listen to the problems and suggestions reported by user maintenance personnel, and continuously improve the software and hardware functions and quality of the product.

5. Establish user files: In addition to providing user technical consulting services, the company's maintenance center is also responsible for accepting and collecting user complaints and consultation information, ensuring that the questions and requests raised by users can be handled in a timely manner, and tracking and verifying the handling situation. At the same time, user files are established to record product usage and provide a basis for future product quality improvements. We will continue to work hard and strive for excellence to provide customers with satisfactory products and services.